Tertiary mammals of Saskatchewan : part V: the Oligocene Entelodonts /

by Russell, Loris Shano, 1904- .
Published 1984

Tertiary mammals of Saskatchewan part VI: the Oligocene rhinoceroses /

by Russell, Loris Shano, 1904- .
Published 1982

Tertiary mammals of Saskatchewan : part V: the Oligocene Entelodonts /

by Russell, Loris Shano, 1904- .
Published 1980